KR100457496B1 - 3-[2-[4-(6-플루오로-1,2-벤즈이속사졸-3-일)-1-피페리디닐]에틸]-6,7,8,9-테드라하이드로-2-메틸-4H-피리도[1,2-a]피리미딘-4-온의 제조방법 및 이를 위한 중간체 - Google Patents
3-[2-[4-(6-플루오로-1,2-벤즈이속사졸-3-일)-1-피페리디닐]에틸]-6,7,8,9-테드라하이드로-2-메틸-4H-피리도[1,2-a]피리미딘-4-온의 제조방법 및 이를 위한 중간체 Download PDFInfo
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- KR100457496B1 KR100457496B1 KR10-2003-0068191A KR20030068191A KR100457496B1 KR 100457496 B1 KR100457496 B1 KR 100457496B1 KR 20030068191 A KR20030068191 A KR 20030068191A KR 100457496 B1 KR100457496 B1 KR 100457496B1
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- ethyl
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- pyrimidin
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D471/00—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, at least one ring being a six-membered ring with one nitrogen atom, not provided for by groups C07D451/00 - C07D463/00
- C07D471/02—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, at least one ring being a six-membered ring with one nitrogen atom, not provided for by groups C07D451/00 - C07D463/00 in which the condensed system contains two hetero rings
- C07D471/04—Ortho-condensed systems
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D261/00—Heterocyclic compounds containing 1,2-oxazole or hydrogenated 1,2-oxazole rings
- C07D261/20—Heterocyclic compounds containing 1,2-oxazole or hydrogenated 1,2-oxazole rings condensed with carbocyclic rings or ring systems
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D413/00—Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and oxygen atoms as the only ring hetero atoms
- C07D413/14—Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and oxygen atoms as the only ring hetero atoms containing three or more hetero rings
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/55—Design of synthesis routes, e.g. reducing the use of auxiliary or protecting groups
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Abstract
Description
Claims (12)
- 하기의 단계를 포함하는 화학식 1 의 화합물 3-[2-[4-(6-플루오로-1,2-벤즈이속사졸-3-일)-1-피페리디닐]에틸]-6,7,8,9-테드라하이드로-2-메틸-4H-피리도 [1,2-a]피리미딘-4-온의 제조방법:(1) 하기 화학식 2의 화합물로부터 하기 화학식 3의 화합물을 합성하고 1,3-디플루오로벤젠과 반응시켜 하기 화학식 4의 피리디늄 p-톨루엔술포네이트 염을 제조하는 단계;(2) 하기 화학식 4의 화합물과 하기 화학식 5의 화합물을 반응시켜 하기 화학식 6의 피리디늄 아이오다이드 염을 제조하는 단계;(3) 하기 화학식 6의 피리디늄 아이오다이드 염을 환원반응시켜 하기 화학식 8의 피페리딘-알콜 유도체를 제조하는 단계;(4) 하기 화학식 8의 피페리딘-알콜 유도체를 산화반응시켜 하기 화학식 9의 피페리딘-케톤 유도체를 제조하는 단계;(5) 하기 화학식 9의 피페리딘-케톤 유도체를 아세톤 옥심과 반응시켜 하기 화학식 10의 화합물을 제조하는 단계;(6) 하기 화학식 10의 화합물을 탈보호 반응을 진행함과 동시에 고리화 반응을 진행하여 하기 화학식 1의 화합물 3-[2-[4-(6-플루오로-1,2-벤즈이속사졸-3-일)-1-피페리디닐]에틸]-6,7,8,9-테드라하이드로-2-메틸-4H-피리도[1,2-a]피리미딘-4-온을 제조하는 단계.[화학식 1][화학식 2][화학식 3][화학식 4][화학식 5][화학식 6][화학식 8][화학식 9][화학식 10]
- 삭제
- 상기 화학식 6의 화합물 4-(2,4-디플루오로벤조일)-1-[2-(2-메틸-4-옥소-6,7,8,9-테트라하이드로-4H-피리도[1,2-a]피리미딘-3-일)에틸]피리디늄 염을 촉매 조건 하에서 환원 반응시켜, 상기 화학식 8의 화합물 3-(2-{4-[(2,4-디플루오로페닐)하이드록시메틸]피페리딘-1-일}에틸)-2-메틸-6,7,8,9-테트라하이드로피리도[1,2-a]피리미딘-4-온을 수득하는 것을 특징으로 하는 제조방법.
- 제 3 항에 있어서, 수소 가스 및 암모늄 포메이트 하에서 팔라듐-카본을 촉매로 사용하는 것을 특징으로 하는 제조방법.
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Priority Applications (1)
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KR10-2003-0068191A KR100457496B1 (ko) | 2003-10-01 | 2003-10-01 | 3-[2-[4-(6-플루오로-1,2-벤즈이속사졸-3-일)-1-피페리디닐]에틸]-6,7,8,9-테드라하이드로-2-메틸-4H-피리도[1,2-a]피리미딘-4-온의 제조방법 및 이를 위한 중간체 |
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KR10-2003-0068191A KR100457496B1 (ko) | 2003-10-01 | 2003-10-01 | 3-[2-[4-(6-플루오로-1,2-벤즈이속사졸-3-일)-1-피페리디닐]에틸]-6,7,8,9-테드라하이드로-2-메틸-4H-피리도[1,2-a]피리미딘-4-온의 제조방법 및 이를 위한 중간체 |
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KR100457496B1 true KR100457496B1 (ko) | 2004-11-17 |
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KR10-2003-0068191A KR100457496B1 (ko) | 2003-10-01 | 2003-10-01 | 3-[2-[4-(6-플루오로-1,2-벤즈이속사졸-3-일)-1-피페리디닐]에틸]-6,7,8,9-테드라하이드로-2-메틸-4H-피리도[1,2-a]피리미딘-4-온의 제조방법 및 이를 위한 중간체 |
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